Built for aircraft tax apportionment

Aircraft Miles
Per State — Automatic

Enter a flight. Get the exact miles flown through every US state — instantly. Our geodesic flight engine powers annual and quarterly apportionment reports ready for your state tax filings.

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Aircraft Tax Software — state mileage dashboard
9,286
Airports in database
50
States tracked per flight
60
Day free trial
Instant
Mileage calculation

Everything you need for aircraft tax apportionment

The moment you enter a flight, our PostGIS engine calculates the exact geodesic miles your aircraft flew through each US state — no spreadsheets, no guessing.

Automatic State Mileage

Enter origin and destination airports and the software instantly computes the geodesic (great-circle) miles flown through each US state using PostGIS and US Census boundary data.

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Apportionment Reports

Generate annual and quarterly state mileage apportionment reports per aircraft or across your entire fleet. Export to CSV or PDF — ready for your state tax filings.

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Fleet & Flight Management

Manage multiple aircraft and users. Log flights with a searchable database of 9,286 airports. View full flight history with expandable per-state mileage breakdowns.

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See the full feature list

One flight entry.
50-state mileage breakdown.

State tax apportionment for aircraft requires knowing exactly how many miles your aircraft flew through each state. We handle all that math automatically — powered by PostGIS geodesic calculations and US Census TIGER/Line state boundaries.

  • Annual and quarterly state mileage apportionment reports
  • Fleet-wide summary across all aircraft and tail numbers
  • Export to CSV and PDF for your tax filings
  • Full flight history with per-flight state mileage breakdowns
  • AJAX airport autocomplete across 9,286 airports worldwide
  • Special Florida tax boundary (FL Box) handling — automatically computed for all flights entering or leaving Florida airspace
  • Dedicated California, New York, and Illinois apportionment reports — purpose-built for states with formulas beyond simple mileage, including Illinois's DOT T-100 standard distance requirement
  • Empty leg tracking — mark deadhead and repositioning flights; reports toggle instantly between all-flight and revenue-only apportionment
  • Bulk CSV import from ForeFlight, Garmin Pilot, and other flight management systems
Annual
State Miles Report
Yearly miles by state per aircraft — ready for apportionment schedules.
Quarterly
Apportionment Report
Quarterly breakdowns for states requiring quarterly apportionment filings.
Fleet
Summary Report
Aggregate miles across every aircraft in your fleet by state.
Per Flight
State Breakdown
Drill into any flight to see exact miles and percentages by state.
California
Apportionment Report
80% air time + 20% arrivals & departures formula per Cal. Code Regs. §25137-7.
New York
Apportionment Report
Three-factor arithmetic average under Tax Law §210-A(7)(b) — A&D factor computed from flight records.
Illinois
Apportionment Report
DOT T-100 "most common route" standard distances applied automatically per 86 Ill. Admin. Code 100.3450.

Stop doing state mileage in spreadsheets.

Sign up for a free 60-day trial of AircraftTaxSoftware.com. No credit card required. Full access from day one.

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